Milan Fashion Week took a peek into the next cold weather season with transforming twins at Dsquared2, the introduction of womenswear at Billionaire and the runway debut of luxury streetwear brand Stone Island. The four days of preview shows include 22 runway shows and 39 presentations. It was a grunge-to-glam twin switcheroo at Dsquared2, the Milan brand founded by Canadian twins Dean and Dan Caten.